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Problems
Do the following problems without your calculator, using the properties
of multiplication to help you.
Problem 3.1:
6×7×5 = ?
[Solution]
Problem 3.2:
5×(27×20)
[Solution]
Problem 3.3:
6×(2 + 10)
[Solution]
Problem 3.4:
5×876×156×7×4×0 = ?
[Solution]
Problem 3.5:
5×1×1×4×1 = ?
[Solution]
Problem 3.6:
(5 + 4)×1 = ?
[Solution]
Which properties of multiplication (Associative,
Commutative,
Distributive, Identity, Zero Product
Property) are used in
the following?
Problem 3.7:
5×78×0 = 0
[Solution]
Problem 3.8:
65×(9 + 10) = (65×9) + (65×10)
[Solution]
Problem 3.9:
(6×5)×11 = (5×6)×11
[Solution]
Problem 3.10:
(9×8)×3 = 9×(8×3)
[Solution]
Problem 3.11:
52×1 = 52
[Solution]
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